Table 1.
Baseline characteristics by serum PSA concentration at baseline, Korean Heart Study, 1994-2011*
| Serum PSA Concentration, ng/mL | P Trend | |||||
|---|---|---|---|---|---|---|
| <1.0 | 1.0-1.9 | 2.0-3.9 | 4.0-9.9 | ≥10.0 | ||
| N | 71,524 | 36,809 | 8313 | 1747 | 272 | |
| Mean (SE) age, y | 45.6 (0.0) | 48.1 (0.1) | 52.6 (0.1) | 56.4 (0.2) | 60.3 (0.6) | <.0001 |
| Mean (SE) body mass index, kg/m2 | 23.9 (0.0) | 23.8 (0.0) | 23.7 (0.0) | 23.8 (0.1) | 23.6 (0.2) | <.0001 |
| Mean (SE) systolic blood pressure, mm Hg | 124.0 (0.1) | 123.8 (0.1) | 124.6 (0.2) | 125.1 (0.4) | 123.8 (1.0) | .033 |
| Mean (SE) diastolic blood pressure, mm Hg | 77.9 (0.0) | 78.1 (0.1) | 78.2 (0.1) | 77.3 (0.3) | 75.0 (0.7) | .65 |
| Mean (SE) total cholesterol, mg/dL | 195.1 (0.1) | 195.6 (0.2) | 195.1 (0.4) | 194.2 (0.8) | 193.1 (2.1) | .65 |
| Mean (SE) fasting glucose, mg/dL | 101.2 (0.1) | 99.1 (0.1) | 98.6 (0.3) | 97.1 (0.6) | 96.0 (1.5) | <.0001 |
| Mean (SE) PSA, ng/mL | 0.6 (0.0) | 1.3 (0.0) | 2.5 (0.0) | 5.5 (0.0) | 19.3 (0.0) | <.0001 |
| Smoking status (%) | ||||||
| Never | 22.2 | 21.8 | 23.3 | 25.3 | 26.5 | <.0001 |
| Past | 23.8 | 27.2 | 30.9 | 33.0 | 34.9 | |
| Current | 54.1 | 51.0 | 45.8 | 41.7 | 38.6 | |
PSA, prostate-specific antigen; SE, standard error of the mean.
*
Adjusted for age.